I am writing to inquire about the proposal you are presenting, specifically regarding the capabilities of Direct Message Nostr compared to SimpleX.

We have several requirements for our Direct Message implementation:

Encrypted Media Transmission: We need the ability to send encrypted media, not just text events. This means the uploaded media must also be encrypted on the server.

Encrypted Voice and Video Calls: It is essential for us to have secure, encrypted voice and video calling capabilities.

Self-Destructing Messages: We require a feature for messages to be self-destructing. This means that after a certain period of time or following our conversations, data should not be stored long-term on the relay or media server, ensuring it is completely deleted. This is crucial as any compromise of the private key could potentially expose all exchanged data.

Key Revocation: We need the ability to revoke our private key if lost or compromised, which would ensure a prompt and complete deletion of all associated data.

nostr:npub1exv22uulqnmlluszc4yk92jhs2e5ajcs6mu3t00a6avzjcalj9csm7d828  
nostr:npub180cvv07tjdrrgpa0j7j7tmnyl2yr6yr7l8j4s3evf6u64th6gkwsyjh6w6
 nostr:npub1gcxzte5zlkncx26j68ez60fzkvtkm9e0vrwdcvsjakxf9mu9qewqlfnj5z